用甘油或硫甘醇作样品的基质，具有不同的灵敏度增强效应。
Using glycerol or thioglycol as "matrix compatible solvent" of the samples studied, it is noted that various matrix is different in enhanced sensitivity.
所有稳定性测定应使用一系列的由新制备的适当的无分析物，无干扰的生物基质储备溶液制备的样品。
All stability determinations should use a set of samples prepared from a freshly made stock solution of the analyte in the appropriate analyte-free, interference-free biological matrix.
这可以用重复分析一系列相等的生物基质中已知浓度的QC样品来完成。
This can be accomplished by analysis of replicate sets of analyte samples of known concentrations QC samples from an equivalent biological matrix.
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